AP Calculus I/AB > Algebraic Evaluation of Limits
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Algebraic Evaluation of Limits

  • Remember that we are looking at what happens as approaches (not what happens at ).
  • For limits as , we are looking at what happens as x increases or decreases without bound.
  • Sometimes an algebraic rearrangement will help you to evaluate a limit.
  • For limits of rational functions as , starting by dividing the numerator and denominator by the highest power of x appearing in the denominator.